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WSU CHEMISTRY LABORATORY SAFETY
INSTRUCTIONS AND CONTRACT
Report all injuries to your laboratory instructor or TA as soon as possible.
LAB SAFETY GUIDELINES
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Chemical splash-proof goggles must be worn AT ALL TIMES in the lab except
during pre-lab lectures or when indicated by the instructor. Only indirect-vented
goggles marked as Z87.1 are acceptable.
Be prepared for your work. Read all procedures thoroughly before attending lab.
Gloves must be worn when instructed to do so. Some chemicals are highly
corrosive or toxic.
When instructed, make sure your work is carried out in the hood. Resulting
fumes may be harmful to you and to your peers.
Never work outside of the scheduled class period unless you have been given
permission.
Unauthorized experiments are not allowed.
Read labels carefully!
Do not bring food or drinks into the lab.
Always wash your hands and gloves with soap and warm water after using
chemicals and again before leaving lab.
No horseplay is allowed.
Coats should be left on the hooks provided inside the lab and bags should be
placed out of the way.
Know the locations and proper use of the fire extinguisher, safety shower, fire
blanket, and eyewash station.
Keep electrical cords away from water sources.
Dispose of waste properly:
 No chemical waste may be disposed of down the drain or in the trash unless
specifically directed to do so.
 Labeled waste collection containers will be available in the hood for each
laboratory exercise.
 Disposable/broken glassware should be placed in the glassware container.
CLOTHING
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Chemical splash-proof goggles must be worn AT ALL TIMES in the lab except
during pre-lab lectures or when indicated by the instructor. Only indirect-vented
goggles marked as Z87.1 are acceptable.
Come to lab dressed appropriately. The following guidelines must be followed
for your safety:
 Hair must be pulled back away from the face.
 Clothing must completely cover legs. Leggings or other items of tight
clothing are not permitted as they do not provide a significant barrier between
you and the chemicals with which you are working.
 Shoes must completely cover the foot. No sandals are allowed.
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Contact lens wearers should be aware of potential risks.
Tight jewelry, such as finger rings, which cannot be easily removed, should not be
worn.
When instructed to wear gloves, treat the gloves as you would your hands. Wash
them frequently with soap.
HANDLING CHEMICALS
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Do not insert pipettes or medicine droppers into reagent bottles.
Do not return unused chemicals or solutions to their bottles. Dispose of them in
properly labeled waste containers.
Make sure spatulas are clean and dry before using them to remove solid chemicals
from reagent bottles.
When preparing acid solutions, always pour the acid into the water.
CHEMICAL EXPOSURE AND INJURIES
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Report all injuries to your laboratory instructor or TA as soon as possible.
If you are exposed to a chemical:
 Eyes – use eye wash for at least 15 minutes
 Skin – wash immediately in cold water for 10-15 minutes
 Clothing – use safety shower, remove affected clothing.
For acid/base spills:
 On lab bench – neutralize acid with sodium bicarbonate (NaHCO3), or
base with boric acid (H3BO3), then sponge up with plenty of water.
All incidents involving chemical exposure will be documented by the laboratory
instructor involved and/or campus security. Anyone needing to use the eyewash or safety
shower will be required to seek follow-up medical attention.
BLOODBORNE PATHOGEN INFORMATION
Winona State University is required to comply with Occupational Safety and Health
administration (OSHA) standards. It is important to extend appropriate precautionary
measures to students as well as employees. This OSHA standard states that Winona State
must respond to any incident on campus involving human blood and other potentially
infectious materials as if the material is known to be infectious with a blood borne
pathogen (HIV/AIDS, hepatitis B, hepatitis C, and others). This is referred to as
Universal Precautions. Since visual confirmation of the presence of a blood borne
pathogen is not possible, these types of precautions are necessary to protect all people on
both campuses.
Therefore, should an accident in the lab involve human blood or other potentially
infectious materials, please keep in mind:
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If you are bleeding, you must notify your lab instructor and/or TA. Fellow students
in lab should avoid assisting in situations involving potentially infectious materialsthe potential for others to be exposed to potentially infectious materials must be
limited. Campus security is always available to assist if the situation warrants.
If you are able, you will be asked to clean up any contaminated area involved. Again,
this is to reduce the potential of others being exposed to potentially infectious
materials.
If you need assistance, security will be called. Be aware that they will put on gloves
to protect themselves and you-please do not take this personally!
Any area contaminated with potentially infectious materials has to be properly
disinfected and all materials used to clean up the area have to be disposed of as
infectious waste. No infectious waste can go into the regular trash.
As a general rule:
Use common sense- if you are not sure about procedures, chemicals, etc., ASK!
Please help keep our labs safe- if you observe any potential hazards, notify somebody.
LABORATORY AGREEMENT FORM
I have read the laboratory safety rules and agree to abide by them.
NAME ________________________________________
SIGNED _______________________________________ DATE ________________
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In the case of an emergency, it is important to act quickly and cautiously. In doing so, it
is important to be fully aware of any pre-existing conditions or circumstances that may
affect treatment.
In addition, other health conditions, such as prescription allergies or seizures, may exist
that would make it difficult to administer proper emergency treatment. If such a case
were to occur, it is important that the lab instructor be aware of such conditions.
The disclosure of any special circumstances/conditions that you may have is completely
voluntary. However, if you would like to make the instructor aware of any of these
situations, please indicate those that should be taken into consideration in an emergency.
Circumstance/condition
Normal treatment/action taken
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I
do
do not normally wear contact lenses.
Some experiments may require distinguishing colors to observe results. In order to
prepare for these experiments, it is beneficial to know if you have this condition. Please
indicate this, if you are willing, by answering the following statement.
I
do
do not have difficulty distinguishing between different colors.